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A prism has a right triangle as its base with a hypotenuse that measures 15 meters and legs that measure 9 meters and 12 meters. What is the surface area of this prism if the height of the prism is 11 meters?

  • geometry -

    The three rectangular faces are
    11x15, 11x12 and 11x9 m^2
    Add their areas.
    Then add the areas of the two ends, which (combined) is 9 x 12 m^2

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